Re: Zones
- To: perennials@mallorn.com
- Subject: Re: Zones
- From: L* M*
- Date: Fri, 14 May 1999 09:06:25 -0500
At 03:06 PM 05/13/1999 -0500, Beth wrote:
>There are several zones systems un use in the USA. Two are rated on average
>minimum winter temperatures: The USDA and the Arnold Arboretum. At one time
>there was some difference between maps of the two but the one from the
>Arnold Arb. has been modified and they are now essentually the same, with
>the USDA being the most frequently used.. you will still need to be careful
>with the older books.
Thank-you for the excellent explanation of various zone systems.
You've demonstrated that knowing your zone is a good start but ultimately
you have to know the micro-climate of your garden to be sucessful.
Leslie
(Agriculture Canada zone 3a but probably closer to 2b)
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